TS Parameters explained differently - Speaker equivalent circuit

How are the Thiele Small parameters used to model the frequency response of a certain box? It all boils down to the speaker equivalent circuit. DIY Audio Courses: https://audiojudgement.com/courses.html Music Credits: "Werq" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 4.0 License http://creativecommons.org/licenses/by/4.0/